Home / 1,332,687.32-1,996,938.75-906,426.44

Finding the Fourth Proportional to 1,332,687.32, 1,996,938.75 and 906,426.44

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Solution

The fourth proportional to 1,332,687.32, 1,996,938.75 and 906,426.44 is: 1,358,216.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,687.32 : 1,996,938.75 = 906,426.44 : x
  2. Step 2: Convert to fraction form
    1,332,687.32/1,996,938.75 = 906,426.44/x
  3. Step 3: Cross multiply
    1,332,687.32x = 1,996,938.75 × 906,426.44
  4. Step 4: Simplify right side
    1,332,687.32x = 1,810,078,082,060.55
  5. Step 5: Solve for x
    x = 1,810,078,082,060.55/1,332,687.32
  6. Step 6: Final answer
    x = 1,358,216.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.